A compact DIY gadget built on the ESP32-C3 Super Mini. Displays live weather data, clock, and proximity detection on a tiny 0.09" OLED — with a web interface you can control from your phone.
Built by YUMO BUILDS
- ESP32-C3 Super Mini
- SHT3X Temperature & Humidity Sensor
- 0.09" OLED Display (128×32)
- Multiple LEDs (seconds blink, glow, flash, proximity)
- Bare-wire touch/proximity antenna on GPIO7
- 🕐 Clock — London time via NTP with day & date
- 💧 Temperature & Humidity — live SHT3X readings with pixel icons
- ✨ Brand page — sine-wave contrast pulsing synced to LEDs
- 🌐 Web interface — live sensor data + send text to OLED from browser
- 🤚 Proximity detection — self-calibrating, LED glows as hand approaches
- 🌙 Night mode — display and LEDs dim automatically midnight–5am
- 📶 WiFiManager — captive portal on first boot, saves credentials
https://www.youtube.com/@yumobuilds
This project's code is licensed under the PolyForm Noncommercial 1.0.0 license — free for personal, non-commercial use.
The physical enclosure design (resin-cast case) is licensed under CC BY-NC-SA 4.0.
Non-commercial use only. Commercial use, manufacturing, or selling this design or derivatives of it requires explicit permission from the author.